49 lines
1.7 KiB
XML
49 lines
1.7 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="202008-09">
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<title>Shadow: Privilege escalation</title>
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<synopsis>Multiple Shadow utilities were installed with setuid permissions,
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allowing possible root privilege escalation.
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</synopsis>
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<product type="ebuild">shadow</product>
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<announced>2020-08-25</announced>
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<revised count="1">2020-08-25</revised>
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<bug>702252</bug>
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<access>local</access>
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<affected>
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<package name="sys-apps/shadow" auto="yes" arch="*">
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<unaffected range="ge">4.8-r3</unaffected>
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<vulnerable range="lt">4.8-r3</vulnerable>
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</package>
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</affected>
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<background>
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<p>Shadow is a set of tools to deal with user accounts.</p>
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</background>
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<description>
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<p>When Shadow was installed with the PAM use flag, setuid binaries
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provided by Shadow were not properly restricted.
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</p>
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</description>
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<impact type="high">
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<p>A local attacker could escalate privileges to root.</p>
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</impact>
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<workaround>
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<p>There is no known workaround at this time.</p>
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</workaround>
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<resolution>
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<p>All Shadow users should upgrade to the latest version:</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=sys-apps/shadow-4.8-r3"
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</code>
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</resolution>
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<references>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-19882">CVE-2019-19882</uri>
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<uri link="https://github.com/shadow-maint/shadow/pull/199">Upstream
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mitigation
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</uri>
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</references>
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<metadata tag="requester" timestamp="2020-08-24T00:55:20Z">sam_c</metadata>
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<metadata tag="submitter" timestamp="2020-08-25T12:51:43Z">sam_c</metadata>
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</glsa>
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